Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Penallta Colliery, compressors, eng.drgs.
Engineering Drawing Plan showing foundations for one Zoelly mixed pressure steam turbo compressor 40,000 cubic ft. and 2900 to 3200 r.p.m. Also B.B.C. compressor Drg.No. 222427
Pwnc
Diwydiant
Rhif yr Eitem
87.152I/7
Derbyniad
Collected officially, 13/8/1987
Mesuriadau
Meithder
(mm): 605
Lled
(mm): 856
Techneg
dyeline
Deunydd
papur
Lleoliad
In store
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